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Finding the Fourth Proportional to 672.17, 927.54 and 373.38

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Solution

The fourth proportional to 672.17, 927.54 and 373.38 is: 515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    672.17 : 927.54 = 373.38 : x
  2. Step 2: Convert to fraction form
    672.17/927.54 = 373.38/x
  3. Step 3: Cross multiply
    672.17x = 927.54 × 373.38
  4. Step 4: Simplify right side
    672.17x = 346,324.89
  5. Step 5: Solve for x
    x = 346,324.89/672.17
  6. Step 6: Final answer
    x = 515.24

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.